题目内容

近年来，中国全面把握对外开放阶段性特点，按照完善内外联动、互利共赢、安全高效的开放型经济体系的要求，总结实践中的成功经验，把“引进来”和“走出去”更好地结合起来，创新对外投资和合作方式，支持企业在研发、生产、销售等方面开展国际化经营。目前，中国正在加快推进各种形式的对外投资合作，培育发展中国的跨国公司，支持有实力的企业建立国际营销网络，加强境外基础设施建设合作，规范发展对外劳务合作，积极推动境外经贸合作区建设，缓解我国生产能力过剩、内需不足的矛盾，推动国内产业转型，带动相关产品和服务出口。
坚持对外开放基本国策，坚定不移地发展开放型经济、奉行互利共赢的开放战略，是改革开放30多年来中国经济持续快速发展的一条成功经验。招商引资、择优选资，促进“引资”与“引智”相结合，是中国对外开放的重要内容。
截至2010年7月，中国累计设立外商投资企业69.8万家，实际使用外资1.05万亿美元。目前中国22%的税收、28%的工业增加值、55%的进出口、50%的技术引进、约4500万人的就业，都来自外商投资企业的贡献。对外开放、吸引外资是互利共赢的。对中国来说，通过持续吸引外资为国家现代化建设提供了必要的资金、先进的技术和宝贵的管理经验以及众多国际化人才。对外商投资企业来说，则赢得了可观的投资回报，不少在华外商投资企业成为其母公司全球业务的增长亮点和利润中心。

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a．穆罗妮回忆起她在特许金融分析师的学习期间曾接触的固定增长的股利贴现模型是评价公司普通股的一种方法。她收集了两个公司的当期红利和股价资料，如表19—9所示。用l1％作为必要收益率(即折现率)，预计增长率为8％，利用固定增长的股利贴现模型计算股票价格。两家公司的股价比较如表19一10所示。 b．穆罗妮的上司指出二阶段股利贴现模型可能更适合Eastover公司与Southampton公司。穆罗妮认为它们在今后3年将快速增长。然后在2001年以后在一个较低的增长率上稳定下来。她的评估如表19—11所示。用11％作为必要收益率。对二阶段股利贴现模型计算得到的股价进行比较。 c．讨论固定增长的股利贴现模型的缺点，简要说出二阶段型股利贴现模型如何改进了固定增长的股利贴现模型。

间、混、套作增产的原因，主要有(1)()；(2)？()；(3)边行效应；(4)作物间互利关系；(5)增强抗灾能力。[每空1分]

我国农业现代化与一些已经实现农业现代化的国家相比，有三个重要区别。第一，基础不同；第二()；第三，()。[每空1分]

Last Friday an advisory panel to the European Environment Agency issued an extraordinary scientific opinion: The European Union should suspend its goal of having 10 percent of transportation fuel made from biofuel by 2020.
The European Union&39;s biofuel targets were increased and extended from 5.75 percent by 2010 to 10 percent by 2020 just last year. Still, Europe&39;s well-meaning rush to biofuels, the scientists concluded, had produced a slew of harmful ripple effects - from deforestation in Southeast Asia to higher prices for grains.
In a recommendation released last weekend, the 20-member panel, made up of some of Europe&39;s most distinguished climate scientists, called the 10 percent target "overambitious" and an "experiment" whose "unintended effects are difficult to predict and difficult to control."
"The idea was that we felt we needed to slow down, to analyze the issue carefully and then come back at the problem," Laszlo Somlyody, the panel&39;s chairman and a professor at the Budapest University of Technology and Economics, said in a telephone interview.
He said that part of the problem was that when it set the targets, the European Union was trying desperately to solve the problem of rising transportation emissions "in isolation," without adequately studying the effects of other sectors like land use and food supply.
"The starting point was correct: I&39;m happy that the European Union took the lead in cutting greenhouse gasses and we need to control traffic emissions," Somlyody said. "But the basic problem is it thought of transport alone, without considering all these other effects. And we don&39;t understand those very well yet." The panel&39;s advice is not binding and it is not clear whether the European Commission will follow the recommendation.
It has become increasingly clear that the global pursuit of biofuels - encouraged by a rash of targets and subsides in both Europe and the United States - has not produced the desired effect.
Investigations have shown, for example, rain forests and peat swamp are being cleared to make way for biofuel plantations, a process that produces more emissions than the biofuels can save. Equally concerning, land needed to produce food forpeople to eat is planted with more profitable biofuel crops, and water is diverted from the drinking supply.
In Europe and the United States, food prices for items like pizza and bread have increased significantly as grain stores shrink and wheat prices rise.
The price of wheat and rice are double those of a year ago, and corn is a third higher, the UN Food and Agriculture Organization said this week.
"Food price inflation hits the poor hardest, as the share of food in their total expenditures is much higher than that of wealthier populations," said Henri Josserand of the Food and Agriculture Organization
For example, the European Environment Agency advisory panel suggests that the best use of plant biomass is not for transport fuel but to heat homes and generate electricity.
To be useful for vehicles, plant matter must be distilled to a fuel and often transported long distances. To heat a home, it can often be used raw or with minimal processing, and moved just a short distance away.